<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<script>
  var utterThis = new window.SpeechSynthesisUtterance('你好，世界！');
  window.speechSynthesis.speak(utterThis);
</script>
</body>
</html>
